1. Calico Cats and Colorblindness

5. Male

6. GenderGenes B = black / O = orange Phenotype (appearance) XBXBXBXB XOXOXOXO XBXOXBXO XBYXBY XOYXOY

7. XnYXnY Genes N = normal color vision n = colorblind

8.  Creative Commons Images acquired from www.flicker.comwww.flicker.com Image names and descriptions:  Remembering Jaz (black cat)  Bored (orange cat)  Neighbours cat (calico cat)  Free eye test (colorblindness test)  Becky’s eye (close up image of eye)  Cromosomas humanos (stained chromosomes in green light)  Karyotype  Public Domain images acquired from www.usa.gov/Topics/Graphics.shtml www.usa.gov/Topics/Graphics.shtml Science and Technology, National Human Genome Institute Photo Gallery  DNA and Chromosome  DNA in cell nucleus

9. DNAProteinTrait